Avision AV8000S Manuel d'utilisateur télécharger pdf (Page 34)

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5.10 DESCREEN

Click on the Descreen button to access a drop-down

menu that allows you to specify the type of document you are

scanning in order to eliminate the moiré pattern* commonly

found in printed matter. You can specify Newspaper,

Magazine, or Catalog.

Before Descreen

After Descreen

*Moiré pattern— an undesirable pattern resulting from the

incorrect screen angle of the overprinting halftone.

5.11 SHARPEN

Click on the Sharpen button to access a drop-down

menu that allows you to specify a level to sharpen the

scanned image. You can specify a Sharpen setting of Light,

More, Heavy, or Extra Heavy.

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Avision AV8000S Manuel d'utilisateur Page 34